Comparison : Item # AR 2030SS, 2 x 3 Inch (in) Size 316 SS Type AR Reducing A Male x Female NPT Specialty Coupling
Item # AR 3020SS, 3 x 2 Inch (in) Size 316 SS Type AR Reducing A Male x Female NPT Specialty Coupling
Item # AR 3040SS, 3 x 4 Inch (in) Size 316 SS Type AR Reducing A Male x Female NPT Specialty Coupling
Item # AR 6040SS, 6 x 4 Inch (in) Size 316 SS Type AR Reducing A Male x Female NPT Specialty Coupling